Segment Information (Tables)

9 Months Ended

Sep. 30, 2025

Segment Reporting [Abstract]

Schedule of segment reporting

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
		2025	2024			2025	2024
Marine
Contract revenues	$	142,943	$	140,013	$	405,409	$	377,291
Cost of contract revenues		117,061		122,418		340,856		343,416
Gross profit		25,882		17,595		64,553		33,875
Selling, general and administrative expenses		15,143		13,108		43,202		39,867
Gain on disposal of assets, net		(246)		(998)		(642)		(1,144)
Operating income (loss)	$	10,985	$	5,485	$	21,993	$	(4,848)
Total assets	$	342,525	$	322,031	$	342,525	$	322,031
Property and equipment, net	$	97,103	$	80,115	$	97,103	$	80,115
Depreciation and amortization	$	5,081	$	4,553	$	13,985	$	14,405
Capital expenditures	$	8,788	$	3,964	$	24,634	$	8,740
Concrete
Contract revenues	$	82,154	$	86,662	$	213,628	$	202,223
Cost of contract revenues		78,284		77,193		199,617		175,215
Gross profit		3,870		9,469		14,011		27,008
Selling, general and administrative expenses		9,916		7,738		27,176		21,113
Gain on disposal of assets, net		(382)		(565)		(758)		(842)
Operating (loss) income	$	(5,664)	$	2,296	$	(12,407)	$	6,737
Total assets	$	79,850	$	91,988	$	79,850	$	91,988
Property and equipment, net	$	4,011	$	5,860	$	4,011	$	5,860
Depreciation and amortization	$	811	$	1,015	$	2,541	$	3,153
Capital expenditures	$	557	$	193	$	876	$	1,904